body{
    background: url(../images/bg.jpg) no-repeat top center;
    height: 5938px;
    /* overflow-y: hidden */
}
/* banner style */
#banner{
    width: 100%;
    height: 1080px;
    background: url(../images/kv.jpg) no-repeat top center;
    position: relative;
}
/* >子选择器 */
#banner>img{
    width: 95px;
    position: absolute;
    left: 3%;
    top: 20%;
}
#banner>.mask{
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    /* 固定定位永远参阅body */
    position: fixed;
    left: 0;
    top: 0;
    z-index:1000;
    display: none;
}
#banner>.text_con{
    width: 863px;
    height: 498px;
    background: url(../images/PCkuang.png) no-repeat top center;
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
    z-index:1001;
    display: none;
}

#banner>.text_con .poptit{
    font-size: 20px;
    color: #000;
    width: 710px;
    height: 40px;
    margin: 0 auto;
    margin-top: 70px;
    font-weight: 600;
    line-height: 40px;
}
#banner>.text_con>ul{
    width:710px;
    height: 310px;
    /* scroll滚动  auto 自动  hidden隐藏 */
    overflow: auto; 
    margin: 0 auto;
}
#banner>.text_con>ul>li{
    line-height: 25px;
    font-size: 16px;
    color: #333;
    margin-top: 10px;
}
#banner>.text_con>ul>li>p{
    margin-top: 10px;
}
#banner>.text_con a{
    /* 一外行内元素，如果设置为绝对定位，或浮动后，默认已经转为块级元素 */
    width:44px;
    height: 44px;
    position: absolute;
    right: -10px;
    top: -10px;
}